Lewis & Short

pinguĭtūdo, ĭnis, f. [pinguis], fatness, richness, coarseness, rankness.

  1. I. Lit.: vere sus usque adeo pinguitudine crescere solet, ut, etc., Cato ap. Varr. R. R. 2, 4; Varr. R. R. 2, 4, 6; Plin. 11, 37, 71, § 186: olei, Col. 12, 52, 17: soli, id. 4, 24, 19: palmitis, Pall. 3, 12, 2.
  2. II. Transf., broadness, coarseness of pronunciation, opp. to exilitas, Quint. 1, 11, 4 (v. l. pinguedine).